An out of date library (libusrsctp) contained vulnerabilities that could potentially be exploited. This vulnerability affects Firefox < 108.
https://www.mozilla.org/security/advisories/mfsa2022-51/
https://bugzilla.mozilla.org/show_bug.cgi?id=1795697
https://www.debian.org/security/2023/dsa-5322
https://lists.debian.org/debian-lts-announce/2023/01/msg00015.html
https://www.debian.org/security/2023/dsa-5355
https://lists.debian.org/debian-lts-announce/2023/02/msg00018.html